SE visitors redirect to pharma-spam & background reading

Re: http://killmalware.com/beatcancersite.com/http://toolbar.netcraft.com/site_report?url=http://www.beatcancersite.com
and http://toolbar.netcraft.com/site_report?url=http://p3nlhg650c1650.shr.prod.phx3.secureserver.net

pageok

Directory Size: 13126

See: -https://aw-snap.info/file-viewer/?tgt=http%3A%2F%2Fwww.beatcancersite.com&ref_sel=GSP2&ua_sel=ff&fs=1

PHP redirector - https://samsclass.info/129S/proj/redir1.htm
Read : https://wordpress.org/support/topic/addremove-plugins-links-redirect-to-spam-url/
Read: http://labs.sucuri.net/?details=top-24h-can-store.com & http://evuln.com/labs/redirect/top-24h-can-store.com/

A list of the affected: http://evuln.com/labs/redirect/top-24h-can-store.com/ 423 sites in all.

polonus